Newbie alert: using switch for 2 networks - 1 with router - 1 on direct internet
sorry for this newbie question but i have tried for many hours and cannot get this to work. I am the proud owner of a cisco SGE2000P. This switch is connected to a router which in turn is connected to an internet cable modem. The router acts also a DHCP server.
I have two femtocells (these are network devices which create a 3G / UMTS radio coverage for home use and then channel the mobile voice traffic directly onto the internet - Vodafone sells them in many european markets - their main use is to fix network coverage problems in SME environments without expensive radio network investments). These femtocells require direct access to the internet and cannot be placed behind a router. Today i have connected the femtocells to the modem. All is working well.
If possible, then I would like to connect the femtocells devices via the SWITCH to the Internet. Benefit would be that the switch has POE and I can remove the external power adaptors on the femtocells. Moreover from a network architecture it is a cleaner solution. I have already tried setting up seperate VLAN and connect this to the three ports used, i.e. 2 ports for the femtocells and 1 port for direct connection to the MODEM.
However this does not seem to work. Maybe I don't understand how VLANs work and i really need a physical separation between these LANs?
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